@charset "UTF-8";
html {
    color: #333;
    background: #fff;
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
    text-rendering: optimizelegibility;
    -moz-osx-font-smoothing: grayscale;
    direction: ltr
}

.nowcoder-header {
    background: #3d444c;
    position: fixed;
    width: 100%;
    z-index: 101;
    left: 0;
    margin-bottom: 30px
}

.header-main {
    width: 1200px;
    height: 54px;
    margin: 0 auto
}

.full-header .header-main {
    width: auto
}

.nowcoder-logo {
    background: url(/assets/images/logo.png) no-repeat;
    background-size: 147px 42px;
    display: block;
    width: 147px;
    height: 42px;
    float: left;
    margin: 6px 5px 0 0
}

.nowcoder-navbar {
    float: left
}

.nowcoder-other-nav {
    float: right
}

.nowcoder-other-nav li {
    position: relative
}

.nowcoder-other-nav .profile-item:after {
    display: none
}

.nowcoder-other-nav .profile-item:hover:after {
    display: block;
    content: "";
    bottom: -1px;
    right: 24px;
    border: 6px solid #fff;
    border-color: transparent transparent #fff
}

.nowcoder-navbar li {
    float: left;
    text-align: center;
    height: 54px;
    position: relative
}

.nowcoder-navbar a {
    color: #ccc;
    font-size: 16px;
    display: block;
    line-height: 53px;
    padding: 0 10px
}

.nowcoder-navbar .active a, .nowcoder-navbar a:hover {
    color: #fff;
    text-decoration: none
}

.nowcoder-navbar li.active, .nowcoder-navbar li:hover {
    background-color: #31363d
}

.nowcoder-navbar .nav-profile {
    position: relative;
    z-index: 2
}

.nowcoder-navbar .nav-profile .img-box {
    display: inline-block;
    *display: inline;
    zoom: 1;
    width: 36px;
    height: 36px;
    overflow: hidden;
    vertical-align: middle;
    border-radius: 22px
}

.nowcoder-navbar .nav-profile img {
    width: 36px;
    display: block
}

.nowcoder-other-nav a {
    font-size: 14px
}

.profile-item:hover .profile-hover-wrapper {
    display: block
}

.profile-hover-wrapper {
    display: none;
    position: absolute;
    right: 0;
    top: 54px;
    font-size: 14px;
    background: #fff;
    width: 150px;
    padding: 10px;
    box-shadow: 0 0 4px rgba(0, 0, 0, .2);
    border-radius: 4px;
    border: 1px solid #eee
}

.profile-hover-info {
    text-align: left;
    border-bottom: 1px solid #e8eaed;
    padding-bottom: 10px
}

.profile-hover-info .identity-hr-icon14 {
    vertical-align: text-top
}

.profile-hover-name {
    display: inline-block;
    white-space: nowrap;
    overflow: hidden;
    vertical-align: middle;
    text-overflow: ellipsis;
    max-width: 10em
}

.profile-hover-wrapper .profile-hover-btn, .profile-hover-wrapper .profile-hover-btn:hover {
    display: inline-block;
    border: 1px solid #25bb9b;
    padding: 4px 5px;
    font-size: 12px;
    float: right;
    border-radius: 4px;
    color: #25bb9b;
    line-height: 1
}

.hover-item-ico {
    background: url(//static.nowcoder.com/images/img/home/icon-person.png) no-repeat;
    width: 24px;
    height: 22px;
    margin: 0 auto;
    margin-bottom: 10px;
    display: block
}

.hover-accout-wrapper {
    border-top: 1px solid #e8eaed
}

.hover-accout-wrapper a {
    color: #8a96a7;
    display: inline-block;
    width: 100%;
    padding: 15px 2% 10px;
    line-height: 1
}

.hover-accout-wrapper a:hover {
    color: #25bb9b
}

.hover-accout-icon, .hover-accout-logout {
    display: inline-block;
    vertical-align: middle;
    width: 16px;
    height: 16px;
    margin-bottom: 0;
    margin-right: 10px;
    background-position: -153px 0
}

.hover-accout-wrapper a:hover .hover-accout-icon {
    background-position: -195px 0
}

.hover-accout-logout {
    background-position: -174px 0
}

.hover-accout-wrapper a:hover .hover-accout-logout {
    background-position: -216px 0
}

.nowcoder-navbar .nav-search-wrapper:hover {
    background: 0 0
}

.nowcoder-navbar .nav-search-wrapper:after {
    display: none
}

.nowcoder-navbar .nav-search-wrapper .search-input-wrap {
    margin-top: 10px;
    background: #31363e;
    height: 34px;
    line-height: 34px;
    overflow: hidden;
    border: none;
    border-radius: 3px
}

.nowcoder-navbar .nav-search-wrapper .search-input-wrap input {
    color: #fff;
    background: #31363e;
    padding: 5px
}

.nowcoder-navbar .nav-search-wrapper .search-input-wrap .icon-search-btn {
    border-radius: 0 3px 3px 0;
    height: 34px;
    line-height: 34px;
    width: auto;
    padding: 0 5px 0 8px
}

.nowcoder-navbar .nav-search-wrapper .search-input-wrap .icon-search-btn:before {
    display: none
}

.ft-wrap {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 220px;
    width: 100%;
    z-index: 10;
    background: #2a2f35
}

.ft-cont {
    background: #2a2f35;
    width: 1000px;
    margin: 0 auto;
    padding: 35px 0 30px
}

.ft-main {
    display: inline-block;
    vertical-align: middle;
    border-left: 1px solid #646f7c;
    width: 445px;
    padding: 0 0 0 20px
}

.contact-email {
    margin-left: 20px
}

.ft-links li {
    display: inline-block;
    *zoom: 1;
    *display: inline;
    margin: 0 15px 5px 0
}

.ft-links a {
    color: #a9b8ca
}

.webrights {
    margin-top: 5px
}

.webrights li {
    margin-bottom: 1px;
    color: #798fac
}

.webrights a {
    color: #798fac
}

.ft-web-info {
    display: inline-block;
    vertical-align: middle;
    width: 310px;
    padding: 0 15px
}

.ft-web-name {
    font-size: 20px;
    color: #fff;
    margin: -25px 0 20px
}

.ft-web-info a {
    display: inline-block;
    vertical-align: middle;
    position: relative;
    width: 32px;
    height: 26px;
    font-size: 35px;
    color: #a9b8ca;
    margin-right: 32px;
    /* background: url(https://static.nowcoder.com/fe/style/images/common/img/icons/ft-icons.png) no-repeat */
}
/* 
.ft-web-info .ft-qq-ico {
    width: 22px;
    background-position: 0 0
}

.ft-web-info .ft-qq-ico:hover {
    background-position: 0 -26px
}

.ft-web-info .ft-wx-ico {
    background-position: -60px 0
}

.ft-web-info .ft-wx-ico:hover {
    background-position: -60px -26px
}

.ft-web-info .ft-wb-ico {
    background-position: -126px 0
}

.ft-web-info .ft-wb-ico:hover {
    background-position: -126px -26px
}

.ft-web-info .ft-zh-ico {
    background-position: -194px 0;
    width: 26px
}

.ft-web-info .ft-zh-ico:hover {
    background-position: -194px -26px
}

.ft-web-info .ft-jian-ico {
    background-position: -259px 0;
    width: 26px;
    margin-right: 0
}

.ft-web-info .ft-jian-ico:hover {
    background-position: -259px -26px
}

.ft-web-info .tooltip {
    display: none
}

.ft-web-info a:hover .tooltip {
    display: block
}

.ft-wrap .tooltip-inner {
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 3px;
    padding: 18px
}

.ft-wrap .tooltip-inner p {
    color: #333;
    margin: 5px 0 0;
    font-size: 14px;
    text-align: left
}

.ft-wrap .tooltip.top {
    bottom: 30px;
    left: 50%;
    margin-left: -74px
}

.ft-wrap .tooltip.top .tooltip-arrow {
    border-top-color: #fff;
    bottom: 1px
} 

*/.ft-app {
    display: inline-block;
    vertical-align: middle;
    width: 180px;
    color: #8793a2;
    font-size: 14px;
    margin-top: 0;
    text-align: center
}

.ft-qrcode-box {
    background: #5b646d;
    padding: 8px;
    border-radius: 5px;
    width: 110px;
    height: 110px;
    margin: 0 auto 10px
}

.ft-qrcode-box img {
    width: 100%
}

.fixed-menu {
    position: fixed;
    z-index: 999;
    right: 10px;
    bottom: 120px;
    zoom: 1
}

.fixed-menu li {
    margin-bottom: 5px;
    position: relative;
    zoom: 1
}

.fixed-menu li a {
    /* float: left; 
    width: 35px;
    height: 35px;
    line-height: 16px;*/
    font-size: 20px;
    padding: 8px 12px;
    border-radius: 3px;
    border: 1px solid #d6d6d6;
    background-color: #fff;
    /* background: #fff url(https://static.nowcoder.com/fe/style/images/common/img/common/ico-fixed-menu2.png) no-repeat */
}

.fixed-menu li a:hover {
    background-color: #1abc9c;
    border-color: #1abc9c;
    color:#fff
}

.fixed-menu li:after, .fixed-menu li:before {
    clear: both;
    content: ".";
    display: block;
    height: 0;
    visibility: hidden
}

.wx-qrcode img {
    width: 148px;
    height: 148px
}

/* .fixed-menu li a, .fixed-menu li a.gotop {
    background-position: 8px -225px
} */

.fixed-menu li a:hover.gotop {
    background-position: 8px 10px
}



.paper-nav {
    display: none;
    position: fixed;
    top: 64px;
    bottom: 0;
    padding: 10px 4px;
    border-radius: 2px;
    background-color: #fff;
    z-index: 1
}

.paper-nav input[type=radio] {
    display: none
}

.paper-accordion>li {
    color: #343434;
    font-size: 14px
}

.paper-accordion>li .paper-category {
    display: block
}

@media only screen and (min-width:1400px) {
    .test-tab-wrap {
        display: none
    }
    .with-validate .nk-main-container .nk-main {
        padding-top: 98px
    }
    .nk-main-container {
        margin: auto;
        width: 1400px
    }
    .nk-main-container .nk-main {
        padding-top: 64px;
        margin-left: 200px
    }
    .paper-nav {
        display: block;
        width: 180px;
        overflow: auto
    }
    .paper-accordion>li {
        margin-bottom: 20px;
        border-radius: 2px;
        font-weight: 700
    }
    .paper-accordion>li .paper-category {
        background-color: #f9f9f9
    }
    .paper-accordion>li .paper-category a {
        display: block;
        padding: 6px
    }
    .paper-accordion>li .paper-category .icon-nc-arrow-down1 {
        float: right;
        font-size: 12px;
        line-height: 1.8
    }
    .paper-accordion>li .paper-category .icon-nc-arrow-down1::before {
        -webkit-transition: -webkit-transform .3s ease-in-out;
        transition: -webkit-transform .3s ease-in-out;
        transition: transform .3s ease-in-out;
        transition: transform .3s ease-in-out, -webkit-transform .3s ease-in-out
    }
    .paper-accordion>li .paper-category:hover {
        background-color: #f3f3f6
    }
    .paper-accordion>li input[type=radio]:checked+.paper-category {
        background-color: #f3f3f6
    }
    .paper-accordion>li input[type=radio]:checked+.paper-category .icon-nc-arrow-down1::before {
        -webkit-transform: rotate(180deg);
        -ms-transform: rotate(180deg);
        transform: rotate(180deg)
    }
    .paper-accordion>li input[type=radio]:checked~ul {
        display: block;
        max-height: 240px
    }
    .paper-accordion>li>ul {
        display: block;
        font-size: 12px;
        padding: 0 10px;
        color: #999;
        background-color: #f9f9f9;
        max-height: 0;
        overflow: hidden;
        -webkit-transition: max-height .3s ease;
        transition: max-height .3s ease
    }
    .paper-accordion>li>ul>li {
        padding: 6px 0 6px 18px;
        white-space: nowrap;
        text-overflow: ellipsis;
        overflow: hidden
    }
    .paper-accordion>li>ul>li a {
        color: #999
    }
    .paper-accordion>li>ul>li:hover a {
        color: #25bb9b
    }
    .paper-more {
        padding: 20px 10px
    }
    .paper-more .paper-catalog {
        font-weight: 700;
        margin-bottom: 8px
    }
    .paper-more ul {
        font-size: 12px
    }
    .paper-more ul>li {
        padding: 6px 18px
    }
    .paper-more ul>li a {
        color: #999
    }
    .paper-more ul>li a.color-green, .paper-more ul>li a:hover {
        color: #25bb9b
    }
    .paper-upload {
        padding: 20px 0
    }
}

@media only screen and (min-width:1300px) and (max-width:1400px) {
    .nk-container {
        overflow-x: hidden
    }
    .test-tab-wrap {
        display: none
    }
    .with-validate .nk-main-container .nk-main {
        padding-top: 98px
    }
    .nk-main-container {
        margin: auto;
        width: 1300px
    }
    .nk-main-container .nk-main {
        padding-top: 64px;
        margin-left: 100px
    }
    .paper-nav {
        display: block;
        width: 80px;
        padding-top: 0
    }
   
    .paper-accordion>li {
        position: relative;
        padding: 10px 0;
        border-top: 1px solid #f3f3f9
    }
    .paper-accordion>li:first-child {
        border-top: none
    }
    .paper-accordion>li:hover>ul {
        width: 350px;
        padding: 7px 0
    }
    .paper-accordion>li:hover>ul>li {
        width: 147px;
        padding: 6px 14px;
        display: inline-block;
        vertical-align: middle;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
        word-wrap: normal;
        max-width: 147px
    }
    .paper-accordion>li>ul {
        display: none
    }
}

.nk-main {
    width: 1200px
}

.subject-filter-wrapper {
    position: relative;
    padding: 20px
}

.subject-filter-wrapper .class-type-wrapper {
    display: inline-block;
    position: relative;
    cursor: pointer
}

.subject-filter-wrapper .class-type-wrapper .txt {
    display: inline-block;
    vertical-align: middle;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    word-wrap: normal;
    max-width: 30em;
    font-size: 20px
}

.subject-filter-wrapper .class-type-wrapper .icon-angle-down, .subject-filter-wrapper .class-type-wrapper .icon-angle-up {
    font-size: 20px;
    vertical-align: middle;
    margin-left: 5px
}

.subject-filter-wrapper .class-type-wrapper .icon-angle-up {
    display: none
}

.subject-filter-wrapper .class-type-wrapper.open .icon-angle-down {
    display: none
}

.subject-filter-wrapper .class-type-wrapper.open .icon-angle-up {
    display: inline-block
}

.subject-filter-wrapper .class-type-wrapper.open .class-type-list {
    display: block
}

.subject-filter-wrapper .class-type-list {
    display: none;
    position: absolute;
    z-index: 2;
    right: 0;
    top: 32px;
    min-width: 230px;
    border: 1px solid #eee;
    box-shadow: 0 2px 4px rgba(0, 0, 0, .1);
    background: #fff
}

.subject-filter-wrapper .class-type-list.pos-left {
    left: 0;
    right: auto
}

.subject-filter-wrapper .class-type-list>li {
    padding: 0;
    display: block;
    line-height: 44px;
    font-size: 14px
}

.subject-filter-wrapper .class-type-list>li:hover {
    background: #f6f6f6;
    color: #25bb9b;
    cursor: pointer
}

.subject-filter-wrapper .class-type-list>li.selected {
    background: #25bb9b
}

.subject-filter-wrapper .class-type-list>li.selected a {
    color: #fff
}

.subject-filter-wrapper .class-type-list>li.selected:hover a {
    color: #fff
}

.subject-filter-wrapper .class-type-list>li a {
    padding: 0 20px;
    display: block
}

.subject-filter-wrapper .search-wrapper {
    margin: 0;
    padding: 0;
    float: right;
    width: 500px
}

.subject-filter-wrapper .search-wrapper .search-input-wrap input {
    width: 390px
}

.nk-content .content-item-box {
    margin-left: -9px
}

.nk-content .content-item-box li {
    margin-right: 15px;
    margin-bottom: 15px
}

.content-item-box {
    margin-right: -20px
}

.content-item-box li {
    width: 210px;
    float: left;
    margin-right: 19px
}

.content-item-brief {
    display: block;
    width: 185px;
    height: 230px;
    padding: 15px;
    margin: 0 0 15px;
    position: relative;
    border: 1px solid #ebebeb;
    border-radius: 3px;
    background: #fff
}

.content-item-brief h1 {
    display: table-cell;
    text-align: center;
    vertical-align: middle;
    font-size: 14px;
    color: #666;
    margin-bottom: 15px;
    height: 100px;
    width: 185px;
    overflow: hidden;
    line-height: 1.4;
    font-weight: 400
}

.content-item-box li:hover .content-item-brief {
    border-color: #b9b9b9;
    cursor: pointer
}

.exam-foot {
    font-size: 14px;
    color: #666;
    text-align: center;
    position: absolute;
    top: 225px;
    left: 15px;
    width: 185px
}

.web-logoimg {
    width: 80px;
    height: 80px;
    text-align: center;
    line-height: 80px;
    margin: 10px auto 0
}

.web-logoimg img {
    max-width: 100%
}

.web-logoimg.with-v {
    border: 1px solid #00bc9b;
    border-radius: 50%;
    position: relative
}

.content-item-box li:hover .exam-foot, .content-item-box li:hover .web-logoimg {
    display: none
}

.content-item-box li:hover .exam-info {
    display: block;
    cursor: pointer
}

.exam-info {
    display: none;
    font-size: 14px;
    padding: 15px;
    background: #fff;
    text-align: center;
    position: absolute;
    left: 0;
    bottom: 0;
    width: 185px;
    z-index: 2
}

.exam-btn .btn {
    margin: 0 auto
}

.exam-info dd {
    margin-bottom: 5px
}

.exam-info .exam-btn {
    margin: 15px 0 0
}

.difficulty {
    width: 200px;
    margin: 0 auto
}

.item-label {
    font-size: 14px;
    line-height: 20px;
    text-align: right;
    width: 75px;
    height: 20px;
    display: inline-block;
    vertical-align: middle
}

.module-head h1 {
    font-size: 14px
}

.content-item-box {
    width: 1200px
}

.v-tag-wrap {
    text-align: center
}

.content-item-box li {
    margin-bottom: 20px;
    width: 217px
}

.horizontal-topic {
    padding: 20px
}

.paper-filter-box {
    margin-bottom: 10px;
    width: 1200px;
    background: #fff;
    font-size: 14px
}

.paper-filter-item+.paper-filter-item {
    border-top: 1px solid #eee
}

.paper-filter-item {
    padding: 10px;
    position: relative
}

.paper-filter-label {
    float: left;
    font-weight: 600;
    line-height: 30px
}

.paper-filter-label:before {
    background: #ff6547;
    content: "";
    display: inline-block;
    width: 7px;
    height: 7px;
    margin-right: 5px;
    margin-bottom: 2px;
    vertical-align: middle
}

.paper-filter-cont {
    margin-left: 60px;
    position: relative
}

.paper-filter-cont .tcm-tag {
    display: inline-block;
    margin: 0 10px 5px 0;
    font-size: 14px;
    padding: 5px 15px;
    color: #333
}

.paper-filter-cont .tcm-tag.selected, .paper-filter-cont .tcm-tag:hover {
    background: #edfaf8;
    color: #00bc9b
}

.paper-filter-cont .tcm-bd {
    margin-bottom: -5px
}

.written-timeline {
    font-size: 0
}

.written-timeline li {
    width: 193px;
    font-size: 14px;
    display: inline-block;
    vertical-align: top
}

.written-timeline .time {
    color: #aaa;
    position: relative;
    margin-bottom: 10px;
    height: 40px;
    font-size: 14px;
    text-align: center
}

.written-timeline .time:before {
    content: "";
    height: 1px;
    position: absolute;
    width: 100%;
    background: #ddd;
    left: 0;
    bottom: 10px
}

.written-timeline .time:after {
    content: "";
    position: absolute;
    left: 50%;
    margin-left: -8px;
    bottom: 7px;
    width: 8px;
    height: 8px;
    background: #25bb9b;
    border-radius: 50%
}

.written-timeline .item {
    border: 1px solid #ddd;
    border-radius: 4px;
    padding: 10px;
    width: 170px;
    margin: 0 auto;
    height: 90px;
    text-align: center;
    box-sizing: border-box
}

.written-timeline .item:hover {
    box-shadow: 0 2px 6px rgba(0, 0, 0, .1)
}

.written-timeline .item h4 {
    font-size: 14px;
    line-height: 1.3;
    text-align: center;
    width: 160px;
    height: 36px;
    display: table-cell;
    vertical-align: middle
}

.written-timeline .item h4:before {
    content: "";
    display: inline-block;
    vertical-align: middle
}

.written-timeline .item .btn {
    padding: 0;
    height: 28px;
    line-height: 28px;
    width: 120px;
    border-radius: 20px;
    margin: 3px auto 0
}

.search-wrapper {
    margin: 0 auto 30px;
    font-size: 14px;
    width: 620px;
    padding-top: 20px
}

.search-wrapper .input-group-btn {
    position: absolute;
    top: 0;
    right: 0
}

.search-wrapper .input-group-btn>.btn {
    height: 32px;
    line-height: 32px;
    width: 70px
}

.search-wrapper .search-input-wrap {
    width: 100%;
    line-height: 32px;
    height: 32px;
    white-space: nowrap;
    border-radius: 3px;
    background: #f8f8f8
}

.search-wrapper .search-input-wrap.focus {
    border-color: #25bb9b;
    background: #fff
}

.search-wrapper .search-input-wrap.focus input {
    background: #fff
}

.search-wrapper .search-input-wrap.focus .search-filter-tags {
    display: none
}

.search-wrapper .search-input-wrap input {
    width: 530px;
    padding: 4px;
    vertical-align: top;
    margin-left: 30px;
    background: #f8f8f8
}

.search-wrapper .search-input-wrap .icon-search {
    width: 30px;
    height: 32px;
    line-height: 32px
}

.search-filter-tags {
    position: absolute;
    right: 78px;
    top: 6px;
    line-height: 1
}

.search-filter-tags .search-tag-item {
    vertical-align: top;
    margin-left: 5px;
    background: #e6e6e6;
    color: #959595;
    display: inline-block;
    vertical-align: middle;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    word-wrap: normal;
    max-width: 6em;
    padding: 4px 5px;
    border-radius: 2px;
    font-size: 12px;
    line-height: 1
}

.search-filter-tags .search-tag-item:hover {
    background: #d7d7d7;
    color: #7c7c7c
}

.search-filter-tags .search-tag-item.warn-tag-item {
    background: #f7d8d8;
    color: #ea8c8c
}

.search-filter-tags .search-tag-item.warn-tag-item:hover {
    background: #f6c3c3;
    color: #e25d5d
}

.content-item-new-box .content-item-brief h1 {
    max-height: 40px;
    margin-top: 10px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical
}

.content-item-new-box .content-item-brief .exam-foot {
    top: 170px
}

.content-item-new-box .content-item-brief .item-ft {
    background: #f6f6f6;
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    font-size: 12px;
    color: #888;
    box-sizing: border-box;
    padding: 0 10px;
    height: 55px
}

.content-item-new-box .content-item-brief .item-ft .txt {
    margin: 10px 0;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical
}

.subject-filter-wrapper .less-txt-box .class-type-list {
    right: auto;
    left: 0
}
